Revert an unnecessary change - we already handle the bail out for non-active...

Revert an unnecessary change - we already handle the bail out for non-active files for active file analysis scope further in the code path

src/Features/Core/Portable/Workspace/BackgroundParser.cs

@@ -85,8 +85,7 @@ private void OnWorkspaceChanged(object sender, WorkspaceChangeEventArgs args)
                     // this consumed around 2%-3% of the trace after some other optimizations I did. Most of that
                     // was actually walking the documents list since this was causing all the Documents to be realized.
                     // Since this is on the UI thread, it's best just to not do the work if we don't need it.
-                    if (SolutionCrawlerOptions.GetBackgroundAnalysisScope(newProject) != BackgroundAnalysisScope.ActiveFile &&
-                        oldProject.SupportsCompilation &&
+                    if (oldProject.SupportsCompilation &&
                         !object.Equals(oldProject.ParseOptions, newProject.ParseOptions))
                     {
                         foreach (var doc in newProject.Documents)